From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Snitzer <snitzer@redhat.com>
Subject: Re: [PATCH 08/12] dm: dm.c: replace 'bio->bi_vcnt == 1' with
 !bio_multiple_segments
Date: Mon, 21 Nov 2016 09:50:17 -0500
Message-ID: <20161121145017.GC23051@redhat.com>
References: <1478865957-25252-1-git-send-email-tom.leiming@gmail.com>
 <1478865957-25252-9-git-send-email-tom.leiming@gmail.com>
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To: Ming Lei <tom.leiming@gmail.com>
Cc: Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@infradead.org>, Alasdair Kergon <agk@redhat.com>, "maintainer:DEVICE-MAPPER (LVM)" <dm-devel@redhat.com>, Shaohua Li <shli@kernel.org>, "open list:SOFTWARE RAID (Multiple Disks) SUPPORT" <linux-raid@vger.kernel.org>
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On Fri, Nov 11 2016 at  7:05am -0500,
Ming Lei <tom.leiming@gmail.com> wrote:

> Avoid to access .bi_vcnt directly, because the bio can be
> splitted from block layer, and .bi_vcnt should never have
> been used here.
> 
> Signed-off-by: Ming Lei <tom.leiming@gmail.com>

I've staged this for 4.10